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Aerodynamics

Volvo Grows Regional Class 8 Truck Lineup

The OEM said its new VNR 660 is aimed at truck operations seeking to increase payload capacity while remaining within certain federal or state length and weight restrictions.

EPA Adds SmartWay Day Cab Program, Revises Retread Tire Specs

The Environmental Protection Agency is making some changes to its SmartWay program that offers information on verified fuel-efficient technologies. Day cabs are now eligible for the SmartWay designation, and research into fuel-efficient retreads will result in changes to how those products are classified.

Do Grille Guards Catch Wind?

One might wonder what impact all that heavy metal stuck out in front of the highly aerodynamic profiles honed by truck makers can have on cheating the wind.